128715000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{8581}}^1$

素因数の和:8610

約数の個数: 80

約数和(自身を含む): 402152520

約数和(自身を除く): 273437520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 8581, 15000, 17162, 25743, 34324, 42905, 51486, 68648, 85810, 102972, 128715, 171620, 205944, 214525, 257430, 343240, 429050, 514860, 643575, 858100, 1029720, 1072625, 1287150, 1716200, 2145250, 2574300, 3217875, 4290500, 5148600, 5363125, 6435750, 8581000, 10726250, 12871500, 16089375, 21452500, 25743000, 32178750, 42905000, 64357500, 128715000]

約数ペア:

[(1, 128715000), (2, 64357500), (3, 42905000), (4, 32178750), (5, 25743000), (6, 21452500), (8, 16089375), (10, 12871500), (12, 10726250), (15, 8581000), (20, 6435750), (24, 5363125), (25, 5148600), (30, 4290500), (40, 3217875), (50, 2574300), (60, 2145250), (75, 1716200), (100, 1287150), (120, 1072625), (125, 1029720), (150, 858100), (200, 643575), (250, 514860), (300, 429050), (375, 343240), (500, 257430), (600, 214525), (625, 205944), (750, 171620), (1000, 128715), (1250, 102972), (1500, 85810), (1875, 68648), (2500, 51486), (3000, 42905), (3750, 34324), (5000, 25743), (7500, 17162), (8581, 15000)]